CN101624788A - Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear - Google Patents

Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear Download PDF

Info

Publication number
CN101624788A
CN101624788A CN200810040264A CN200810040264A CN101624788A CN 101624788 A CN101624788 A CN 101624788A CN 200810040264 A CN200810040264 A CN 200810040264A CN 200810040264 A CN200810040264 A CN 200810040264A CN 101624788 A CN101624788 A CN 101624788A
Authority
CN
China
Prior art keywords
yarn
head rope
luminous
rope
staple fibre
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200810040264A
Other languages
Chinese (zh)
Other versions
CN101624788B (en
Inventor
石建高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Original Assignee
East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences filed Critical East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Priority to CN2008100402644A priority Critical patent/CN101624788B/en
Publication of CN101624788A publication Critical patent/CN101624788A/en
Application granted granted Critical
Publication of CN101624788B publication Critical patent/CN101624788B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Landscapes

  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Abstract

The invention relates to a method for processing a cultivation net cage or a passive small-sized high-performance head rope for a fishing gear, in particular to a method for processing a head rope. The invention provides a method for processing a small-sized high-performance head rope for the fishing gear. The method adopts a stirring mill, HDPE resin, luminous pigment, an addition agent, PP resin, a coloring agent, a single-screw extruder, an electrical heating drawing machine capable of drawing twice, a filament take-up machine, a filament dividing machine, a wire twisting machine and a rope manufacturing machine. The method is characterized in that luminous yarn and marking yarn are manufactured; nylon yarn is manufactured by using nylon multifilaments of which the breaking strength is more than 5.30 cN/dtex; the luminous yarn, the marking yarn, the nylon yarn and a strand core are manufactured to form 'S'-direction head rope strands of which the strand lay lengths are between 14.7 and 28.7mm by using the rope machine in an 'S' direction; the three 'S'-direction head rope strands are twiddled into the cultivation net cage or the passive small-sized high-performance head rope for the fishing gear which is capable of emitting fluorescence in the dark in a 'Z' direction, wherein the lay length of the head rope is between 19.0 and 37.0mm, and the diameter of the head rope is between 4.0 and 12.0mm.

Description

Aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method
Technical field
The present invention relates to agricultural sciences aquatic products technical field aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method.
Background technology
The head rope is used on the aquaculture net cage of agricultural sciences aquatic products technical field or passivity fishing gear extensively, and its performance is directly connected to the performance of assembling back net cage or passivity fishing gear.So-called passivity fishing gear is meant the fishing gear that needs moving of fish to fish for fish, as drift net and set net etc.The head rope is divided into the net cage head rope, the fishing gear head rope (whether needing moving of fish can be subdivided into the passivity fishing gear head rope, the initiative fishing gear head rope by the fishing gear fishing) by the scope of application; By head rope diameter D specification classification, be divided into the small dimension (head rope of 4.0mm≤D<12.0mm), the medium specification (head rope of 12.0mm≤D≤20.0mm) and the big specification (head rope of D>20mm); By head rope functional classification, be divided into the common head rope, the high-performance head rope, the wear-resisting head rope and the durability head rope etc.Because of aquaculture net cage or passivity fishing gear member to knot tie up the location, function needs such as once the key link is grasped, every thing falls in to place, main carrying lotus, mark, there are difference in aquaculture net cage or passivity fishing gear with the head rope and netting twine on the selection of fibrous material and manufacture craft.Under the normal condition, the head rope is as aquaculture net cage or passivity fishing gear flexible structure material, its ultimate strength size, elongation at break height and to have or not the sign performance night be to weigh several important indicators of its combination property.Existing aquaculture net cage or passivity fishing gear mostly are the common polyethylene head rope with the head rope, and its ultimate strength is lower, do not have the sign performance night.Aquaculture net cage or passivity fishing gear are the important component parts in China aquatic products field, along with aquaculture net cage or the maximization of passivity fishing gear, modernization and night work are becomed privileged, the small-sized high-performance head that a large amount of brute forces of urgent need are high, elongation is moderate, have the sign performance night.Existing small-sized high-performance head is crashed through or damages by passing ships sometimes when night work because of lacking the sign performance, causes aquaculture net cage or passivity fishing gear to be badly damaged, and brings heavy losses for the fisherman or the foster people.Therefore, need under the situation that does not increase aquaculture net cage or passivity fishing gear head rope specification, adopt special processing method, improve head rope ultimate strength, impact resistance, provide the sign performance to deal with the needs of aquaculture net cage or passivity fishing gear engineering.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method.
Technical scheme of the present invention adopts mixer, HDPE 5000S resin, luminous pigment, auxiliary agent, T30S type PP resin, colouring agent or Masterbatch, single screw extrusion machine, twice drawing-off electrical heating drawing machine, receive the silk machine, divide the silk machine, twisting machine and rope machine, it is characterized in that earlier luminous pigment (as PLO-7C type or RR-7 type luminous pigment), dry HDPE 5000S resin (melt index is 0.9g/10min), (melt index is 2.1~3.9g/10min) and auxiliary agent (as turpentine oil or the white oil) processing of sieving to dry T30S type PP resin, and luminous pigment and dry HDPE 5000S resin after the processing of will sieving are then made luminous master batch by 1: 4 mass percent; To make luminous master batch (addition be HDPE 5000S weight resin 8~11%) again, dry HDPE 5000S resin, the compound of dry T30S type PP resin (addition be HDPE5000S weight resin 3.0~4.0%) and auxiliary agent (addition be HDPE5000S weight resin 0.6~0.8%) acquisition through mixer is mixed thoroughly after by single screw extrusion machine (screw slenderness ratio is 25: 1) in specified temp (the I district in extruder barrel electrical heating district, the II district, the III district, the temperature-control range in IV district is respectively 185~195 ℃, 244~262 ℃, 265~282 ℃, 265~277 ℃) under melt extrude (aperture of spinnerets is 0.8mm), the spun filament that melt extrudes obtains cooling and preliminary draft through 26~30 ℃ of cooling water tank water at low temperature and first drawing roller, the preliminary draft silk is through 95 ℃~98 ℃ high temperature first drawing-off water baths and second drawing roller, 108~126 ℃ of high temperature second drawing-off deep fat baths (with edible oil or ethylene glycol as special drawing-off heat medium) and the 3rd drawing roller are carried out twice hot drawing-off, monofilament tow that the preliminary draft silk obtains after drawing machine carries out above-mentioned twice hot drawing-off (the drawing-off general times is controlled at 12.3~14.0 times) adopts the air-flow method to cool off fast, so that with the receipts silk machine rolling monofilament tow of torque motor; The monofilament tow divides silk for sending the PP/PE alloy luminous filament of yellowish green or cerise fluorescence, diameter 0.20mm and good combination property in the dark through minute silk machine under the branch thread tension of 2.8~6.6N; " Z " that twisting machine becomes can send in the dark yellowish green or cerise fluorescence with twisting tension force doubling of the same size with 11~13 PP/PE alloy luminous filament by the twist of 88~112T/m is to luminous yarn; Dry HDPE 5000S resin, Masterbatch or colouring agent (spinning is with red master batch of the high-quality of good dispersion or red stain, addition be HDPE 5000S weight resin 0.38~1.00%), (melt index is 2.1~3.9g/10min to dry T30S type PP resin; Addition be HDPE 5000S weight resin 3.0~4.0%) and the production PP/PE alloy mark silk of the turpentine oil auxiliary agent after handling of sieving (additive dosage be HDPE 5000S weight resin 0.2~0.5%) acquisition through mixer is mixed thoroughly after make PP/PE alloy mark silk by identical spinning technique in the PP/PE alloy luminous filament processing method with compound with specific bright-coloured mark function, diameter 0.20mm and good combination property; " Z " that twisting machine becomes to have specific bright-coloured mark function with twisting tension force doubling of the same size with 11~13 PP/PE alloy mark silk by the twist of 88~112T/m is to the mark yarn; With the line density is that 230dtex and fracture strength are made polyamide staple fibre spun yarn greater than the polyamide multifilament of 5.30cN/dtex, twisting machine by the twist of 107~133T/m with 21~23 polyamide multifilaments with twisting tension force doubling of the same size become " Z " to I type polyamide staple fibre spun yarn or " S " to polyamide staple fibre spun yarn, twisting machine again by the twist of 107~133T/m with 3 " S " to polyamide staple fibre spun yarn become " Z " to II type polyamide staple fibre spun yarn with twisting tension force retwist of the same size; I type polyamide staple fibre spun yarn, II type polyamide staple fibre spun yarn are applicable to that respectively diameter is the processing of 4.0~8.0mm (not comprising 8.0mm), 8.0~12.0mm (comprising 8.0mm) head rope; Determine head rope thigh footpath by head rope diameter and stranding with empirical coefficient, head rope thigh footpath=head rope diameter * stranding empirical coefficient, stranding adopts 0.530~0.580 with empirical coefficient; Determine outer float quantity by luminous yarn quantity of the per share head rope and mark yarn quantity, the outer float quantity of the per share head rope=luminous yarn quantity of the per share head rope+per share head rope mark yarn quantity, 1 mark yarn of per share employing and 2~3 luminous yarns; Determine to remove head rope thigh footpath behind the float by head rope thigh footpath, the per share head rope with luminous yarn and mark yarn quantity, luminous yarn and mark yarn diameter, a strand yarn empirical coefficient, head rope thigh footpath=(head rope thigh directly after removing float 2-per share the head rope is with luminous yarn quantity * luminous yarn diameter 2-per share head rope mark yarn quantity * mark yarn diameter 2) 0.5* strand yarn empirical coefficient, a strand yarn empirical coefficient adopts 1.080~4.270; By remove head rope thigh footpath behind the float, a strand core is determined per share head rope polyamide staple fibre spun yarn quantity with yarn quantity, polyamide staple fibre spun yarn diameter and the head rope with the yarn empirical coefficient, the per share head rope with in polyamide staple fibre spun yarn quantity=per share head rope internal layer with yarn radical+thigh core yarn quantity ≈ (behind the removal float head rope thigh directly ÷ polyamide staple fibre spun yarn diameter) 2* the head rope is with yarn empirical coefficient+thigh core yarn quantity, when head rope diameter be 4.0~8.0mm (not comprising 8.0mm), 8.0~12.0mm when (comprising 8.0mm) its head rope adopt 0.610~0.860,1.011~1.200 respectively with the yarn empirical coefficient; The outer float quantity of per share head rope yarn total quantity=per share head rope+per share head rope polyamide staple fibre spun yarn quantity; The thigh core is made up of to polyamide staple fibre spun yarn 0~2 " Z " that does not twist; (luminous yarn and mark yarn are as the outer float of the head rope to adopt special head rope processing method, in the center of thigh filling 0~2 " Z " to polyamide staple fibre spun yarn, 1 mark yarn of per share employing and 2~3 luminous yarns, head rope manufacturing adopts " ZSZ " to twist with the fingers to structure, the yarn tension balance adjustment, other polyamide staple fibre spun yarns during stranding beyond the thigh core adopt single layer structure, strand equalization of strain is regulated) under the yarn tension balance adjustment, by rope machine with " S " to outer float (comprising luminous yarn and mark yarn), polyamide staple fibre spun yarn and strand core produce together burst lay pitch be 14.7~28.7mm " S " to the head rope with strand; Under the thigh equalization of strain is regulated, be 19.0~37.0mm, diameter 4.0~12.0mm and aquaculture net cage or the passive small-sized high-performance head rope for fishing gear that in the dark can send fluorescence with " Z " to being twisted into the head rope lay pitch with thigh to the head rope with three strands " S " by rope machine.
Advantage of the present invention is that the head rope of making not only has the ultimate strength advantage than tradition with the common head rope, and has a luminescent properties, improved aquaculture net cage or passivity fishing gear facility security, improved the fishing rate when fishing for the optically focused fish night, improved aquatic products field application adaptability, make the progress of the making a breakthrough property of security that aquaculture net cage or passivity fishing gear use.
The specific embodiment
Embodiment one: a kind of aquaculture net cage of diameter phi 5.0mm or passive small-sized high-performance head rope for fishing gear processing method are made up of luminous yarn processing method, mark yarn processing method, polyamide staple fibre spun yarn processing method, stranding method and system guiding principle method, and the specific embodiment is as follows:
Luminous yarn processing method: cleaning mixer, spice is preceding with luminous pigment (as PLO-7C type luminous pigment or RR-7 type luminous pigment), (melt index is 0.9g/10min to raise the dry HDPE 5000S resin of sub-petrochemical iy produced, if HDPE 5000S resin makes moist, then should be placed under baking oven or the sunshine and can use after the drying), (melt index is 2.1~3.9g/10min) to the T30S type PP resin that Daqing petrochemical is produced, auxiliary agent (as turpentine oil or white oil) sieves and handles to have removed the main impurity that may be mixed with in the raw material, the assurance wire drawing is normally carried out, and reduces the end breakage rate of finished silk; It is 20% luminous master batch (luminous pigment is made luminous master batch and helped wire drawing production) that luminous pigment after handling sieving and dry HDPE 5000S resin are made luminous pigment content by 1: 4 mass percent; Pour dry HDPE 5000S resin, luminous master batch (luminous master batch addition be HDPE 5000S weight resin 8~11%), dry T30S type PP resin (addition be HDPE 5000S weight resin 3.0~4.0%) and the auxiliary agent after handling of sieving (additive dosage be HDPE 5000S weight resin 0.6~0.8%) into the spice bucket again, close bung; Power-on, mixer entry into service (rotating speed is 60rpd/min, and the spice time is 36min) is till resin, luminous master batch and auxiliary agent stir; Powered-down, the spice bucket stops, discharging, this has just obtained the wire drawing compound; (screw slenderness ratio is 25: 1 to compound by single screw extrusion machine, filter thickness 10mm, hole diameter 1.8mm on the filter, screen pack adopts 120 purpose copper mesh, 80 each individual layer of order wire netting) in specified temp (the I district in extruder barrel electrical heating district, the II district, the III district, the temperature-control range in IV district is respectively 186~196 ℃, 245~263 ℃, 266~283 ℃, 266~278 ℃) under melt extrude that (aperture of spinnerets is 0.8mm, the draw ratio of spinneret orifice is 8: 1), (water temperature is controlled at 26~30 ℃ to the spun filament that melt extrudes through the cooling water tank water at low temperature, spun filament cooling distance is controlled at 0.90m, vertical range in spinnerets and the cooling water tank between the water surface is controlled at 6cm, cooling water tank is of a size of 0.60m * 0.50m * 0.60m, cooling water tank is furnished with water inlet pipe and overflow pipe) and first drawing roller obtain the cooling and preliminary draft, the preliminary draft silk is through the high temperature first drawing-off water bath (is 95 ℃~98 ℃ as drawing-off heat medium and drawing temperature with water) and second drawing roller, high temperature second drawing-off deep fat bath (is 108~126 ℃ as special drawing-off heat medium and drawing temperature with edible oil or ethylene glycol) and the 3rd drawing roller are carried out twice hot drawing-off, the preliminary draft silk carries out above-mentioned twice hot drawing-off (the drawing-off general times is controlled at 12.3~14.0 times) back by twice drawing-off electrical heating drawing machine and adopts the air-flow method to cool off fast, so that with the receipts silk machine rolling monofilament tow of torque motor; (divide thread tension to be controlled under 2.8~6.6N) divides silk to be the PP/PE alloy luminous filament of good combination property (diameter 0.20mm, line density 360dtex through minute silk machine to the monofilament tow at suitable branch thread tension, fracture strength is greater than 6.00cN/dtex, elongation at break 11~22%, its flexibility and operability are better, and it can send yellow green or cerise fluorescence in the dark after illumination); The twist that twisting machine is pressed 98T/m with 12 PP/PE alloy luminous filaments with twisting tension force doubling of the same size become to twist with the fingers to for " Z " to luminous yarn (luminous yarn diameter 1.30mm).
Mark yarn processing method: cleaning mixer, (melt index is 2.1~3.9g/10min) to sieve and handle to have removed the impurity that may be mixed with in the raw material will to raise the T30S type PP resin that the HDPE5000S resin (melt index is 0.9g/10min), auxiliary agent (as turpentine oil or white oil), Daqing petrochemical of sub-petrochemical iy produced produce before the spice, the assurance wire drawing is normally carried out, and reduces the end breakage rate of finished silk; Dry HDPE 5000S resin concentrates, Masterbatch or colouring agent after handling sieving is (as being fit to spinning that spinning uses with the red master batch of high-quality of good dispersion etc., addition be weight resin 0.38~1.00%), dry T30S type PP resin (addition be HDPE 5000S weight resin 3.0~4.0%) and the turpentine oil auxiliary agent after handling of sieving (additive dosage be weight resin 0.6~0.8%) pour the spice bucket into, closes bung; Power-on, mixer entry into service (rotating speed is 60rpd/min, and the spice time is 25min) is till resin, luminous master batch and auxiliary agent stir; Powered-down, the spice bucket stops, discharging, this has just obtained production PP/PE alloy mark silk compound; Compound after mixing thoroughly produces PP/PE alloy mark silk (diameter 0.20mm, the line density 360dtex of good combination property by drawing process identical in the luminous yarn processing method, branch silk technology, fracture strength is greater than 6.00cN/dtex, elongation at break 11~22%, its flexibility and operability are better, and have hunting pink, it can play the mark effect in the head rope); The twist that twisting machine is pressed 98T/m with 12 PP/PE alloy mark silks with twisting tension force doubling of the same size become to twist with the fingers to for " Z " to mark yarn (mark yarn diameter 1.30mm).
The polyamide staple fibre spun yarn processing method: choose line density and be 230dtex and fracture strength greater than the polyamide multifilament of 5.30cN/dtex as system yarn matrix material, the twist that twisting machine is pressed 118T/m with 22 polyamide multifilaments with twisting tension force doubling of the same size become to twist with the fingers to for " Z " to I type polyamide staple fibre spun yarn (diameter 0.83mm), sth. made by twisting is to for " Z " is applicable to the processing of diameter 4.0~8.0mm (not comprising 8.0mm) aquaculture net cage or passive small-sized high-performance head rope for fishing gear to I type polyamide staple fibre spun yarn (diameter 0.83mm), and I type polyamide staple fibre spun yarn is applicable to the processing of diameter 5mm aquaculture net cage in the present embodiment or passive small-sized high-performance head rope for fishing gear.
The stranding method: by formula (1)~formula (5) determine processing diameter D be 5.0mm aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method parameter (as stranding with empirical coefficient k, the head rope thigh footpath R, the luminous yarn quantity of per share head rope x, per share head rope mark yarn quantity y, the outer float quantity n of the per share head rope, gang yarn empirical coefficient c, remove head rope thigh footpath R behind the float 1, strand core is with yarn quantity m 2, the head rope adopts single layer structure, the per share head rope with yarn total quantity ψ with polyamide staple fibre spun yarn quantity, the head rope with polyamide staple fibre spun yarn with yarn empirical coefficient p, the per share head rope).Stranding reduces with the increase of empirical coefficient k value with head rope diameter D, and stranding increases with the increase of empirical coefficient k value with the head rope twist.
R=D×k (1)
In the formula:
R---head rope thigh footpath, the mm of unit (getting two-decimal);
D---head rope diameter, the mm of unit (round numbers);
K---stranding empirical coefficient, 0.530≤k≤0.580 (the k value reduces with the increase of head rope diameter D, and when D=5.0, k gets 0.560, and when D=10.0, k gets 0.530).
n=x+y (2)
In the formula:
The outer float quantity of n---the per share head rope, unit root (n round numbers);
X---the luminous yarn quantity of the per share head rope, unit root, (when 4.0≤D<8.0, x generally gets 2;
When 8.0≤D<12.0, x generally gets 3; D is a head rope diameter);
Y---per share head rope mark yarn quantity, unit root, (y generally gets 1).
R 1 = R 2 - x × r 1 2 - y × r 2 2 × c - - - ( 3 )
In the formula:
R 1---head rope thigh footpath behind the removal float, the mm of unit (getting a decimal);
R---head rope thigh footpath, the mm of unit (getting a decimal);
X---the luminous yarn quantity of the per share head rope, unit root, (when 4.0≤D<8.0, x generally gets 2;
When 8.0≤D<12.0, x generally gets 3; D is a head rope diameter);
r 1---luminous yarn diameter, the mm of unit (getting two-decimal);
Y---per share head rope mark yarn quantity, unit root, (y generally gets 1);
r 2---mark yarn diameter, the mm of unit (getting two-decimal);
Thigh yarn empirical coefficient, (the c value reduces with the increase of head rope diameter D, and when D=5.0, c gets 1.502, and when D=10.0, c gets 1.083 in 1.080≤c≤4.270; D is a head rope diameter).
m=m 1+m 2≈(R 1÷r 3) 2×p+m 2 (4)
In the formula:
M---per share head rope I type polyamide staple fibre spun yarn quantity, unit root (m round numbers);
m 1---use yarn radical (m in the per share head rope internal layer 1Round numbers, when 4.0≤D<8.0,5≤m 1≤ 9);
m 2---burst core yarn quantity, 0≤m 2≤ 2 (when 4.0≤D<8.0,0≤m 2≤ 2, when D=4.0mm, m 2Generally get 0, when D=7.0mm, m 2Generally get 2; D is a head rope diameter);
R 1---head rope thigh footpath behind the removal float, the mm of unit (getting a decimal);
r 3---I type polyamide staple fibre spun yarn diameter, the mm of unit (getting two-decimal);
P-the head rope with the yarn empirical coefficient (when 4.0≤D<8.0,0.610≤p≤0.860, the p value reduces with the increase of head rope diameter D; D is a head rope diameter).
ψ=n+m (5)
In the formula:
ψ---per share head rope yarn total quantity, unit root (ψ round numbers);
The outer float quantity of n---the per share head rope, and unit root (when 4.0≤D<8.0, the n=3 round numbers; D is a head rope diameter);
M---the per share head rope is with I type polyamide staple fibre spun yarn quantity, and unit root (when 4.0≤D<8.0, m round numbers, 5≤m≤11; D is a head rope diameter).
Specification (diameter D is 5.0mm), stranding by the head rope determine that with empirical coefficient k (this gets 0.560) head rope thigh footpath R is 2.8mm, determine that by the luminous yarn quantity of per share head rope x (this gets 2), per share head rope mark yarn quantity y (generally getting 1) the outer float quantity n of the per share head rope is 3, by head rope thigh footpath R behind the head rope thigh footpath R, the luminous yarn quantity of per share head rope x, per share head rope mark yarn quantity y and strand definite removal of a yarn empirical coefficient c (this gets 1.502) float 1Be 2.5, by head rope thigh footpath R behind the removal float 1, strand core is with yarn quantity m 2(this gets 1), the head rope determine that with yarn empirical coefficient p (this gets 0.661) the per share head rope is 7 with I type polyamide staple fibre spun yarn quantity m, the head rope adopts single layer structure with I type polyamide staple fibre spun yarn, and outer float quantity n (this gets 3) determines that the per share head rope is 10 with yarn total quantity ψ by the per share head rope.
Adopt special head rope processing method (as the center of thigh filling 1 " Z " to I type polyamide staple fibre spun yarn as thigh core, 1 mark yarn and 2 luminous yarns as the head rope with a strand outer float, strand twist with the fingers to be " S " to, outer float and I type polyamide staple fibre spun yarn equalization of strain is regulated, 6 I type polyamide staple fibre spun yarns adopt single layer structures etc.) under the yarn tension balance adjustment, be that " S " of 14.7mm is to head rope thigh with " S " to outer float, I type polyamide staple fibre spun yarn and strand core being produced together burst lay pitch by rope machine.
System guiding principle method: under the thigh equalization of strain is regulated, be that the diameter D of 19.0mm be 5.0mm aquaculture net cage or passive small-sized high-performance head rope for fishing gear with " Z " to being twisted into the head rope lay pitch with thigh to the head rope with three strands " S " by rope machine.
Embodiment two: diameter D is that a kind of aquaculture net cage or the passive small-sized high-performance head rope for fishing gear processing method of 10.0mm comprises luminous yarn processing method, mark yarn processing method, polyamide staple fibre spun yarn processing method, stranding method and system guiding principle method step.
Luminous yarn processing method: the PP/PE alloy luminous filament (diameter 0.20mm, the line density 360dtex that produce good combination property by the luminous yarn processing method among the embodiment one, fracture strength is greater than 6.00cN/dtex, elongation at break 11~22%, its flexibility and operability are better, and it can send yellow green or cerise fluorescence in the dark after illumination); The twist that twisting machine is pressed 98T/m with 12 PP/PE alloy luminous filaments with twisting tension force doubling of the same size become to twist with the fingers to for " Z " to luminous yarn (diameter 1.30mm).
Mark yarn processing method: the PP/PE alloy mark silk (diameter 0.20mm, the line density 360dtex that produce good combination property by the mark yarn processing method among the embodiment one, fracture strength is greater than 6.00cN/dtex, elongation at break 11~22%, its flexibility and operability are better, and have hunting pink, it can play the mark effect in the head rope); The twist that twisting machine is pressed 98T/m with 12 PP/PE alloy mark silks with twisting tension force doubling of the same size become to twist with the fingers to for " Z " to mark yarn (diameter 1.30mm).
The polyamide staple fibre spun yarn processing method: choose line density and be 230dtex and fracture strength greater than the polyamide multifilament of 5.30cN/dtex as system yarn matrix material, the twist that twisting machine press 118T/m with 22 polyamide multifilaments with twisting tension force doubling of the same size become sth. made by twisting to be " S " to I type polyamide staple fibre spun yarn (diameter 0.83mm); The twist that twisting machine is pressed 98T/m with 3 sth. made by twisting to for " S " to I type polyamide staple fibre spun yarn with twisting tension force retwist of the same size become to twist with the fingers to for " Z " to II type polyamide staple fibre spun yarn (diameter 1.78mm); The II type polyamide staple fibre spun yarn of diameter 1.78mm is applicable to a kind of aquaculture net cage of diameter 8.0~12.0mm (comprising 8.0mm) or the processing of passive small-sized high-performance head rope for fishing gear.
The stranding method: by the formula (6) among the formula among the embodiment one (1)~formula (3), the embodiment two~formula (7) determine processing diameter D be 10.0mm aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method parameter (stranding with empirical coefficient k, the head rope thigh footpath R, the luminous yarn quantity of per share head rope x, per share head rope mark yarn quantity y, the outer float quantity n of the per share head rope, gang yarn empirical coefficient c, remove head rope thigh footpath R behind the float 1, strand core is with yarn quantity S 2, the head rope adopts single layer structure, the per share head rope with yarn total quantity ω with II type polyamide staple fibre spun yarn quantity S, the head rope with II type polyamide staple fibre spun yarn with yarn empirical coefficient q, the per share head rope).
S=S 1+S 2≈(R 1÷r 4) 2×q+S 2 (6)
In the formula:
S---per share head rope II type polyamide staple fibre spun yarn quantity, unit root (m round numbers);
S 1---use yarn radical (S in the per share head rope internal layer 1Round numbers, when 8.0≤D<12.0,5≤S 1≤ 9, when D=8.0mm, S 1Generally get 6, when D=10.0mm, S 1Generally get 8);
S 2---burst core yarn quantity, (S 2Round numbers, when 8.0≤D<12.0,0≤S 2≤ 2, when D=8.0mm, S 2Generally get 0, when D=11.0mm, S 2Generally get 2);
R 1---head rope thigh footpath behind the removal float, the mm of unit (getting a decimal);
r 4---II type polyamide staple fibre spun yarn diameter, the mm of unit (getting two-decimal);
Q---the head rope with the yarn empirical coefficient (when 8.0≤D<12.0,1.011≤q≤1.200, the q value reduces with the increase of head rope diameter D; D is a head rope diameter).
ω=n+S (7)
In the formula:
ω---per share head rope yarn total quantity, unit root (ω round numbers);
The outer float quantity of n---the per share head rope, unit root (when 8.0≤D<12.0, n generally gets 4);
S---the per share head rope is with II type polyamide staple fibre spun yarn quantity, and unit root (when 8.0≤D<12.0, S round numbers, 6≤S≤11; D is a head rope diameter).
Specification (diameter D is 10.0mm), stranding by the head rope determine that with empirical coefficient k (this gets 0.530) head rope thigh footpath R is 5.3mm, determine that by the luminous yarn quantity of per share head rope x (this gets 3), per share head rope mark yarn quantity y (generally getting 1) the outer float quantity n of the per share head rope is 4, by head rope thigh footpath R behind the head rope thigh footpath R, the luminous yarn quantity of per share head rope x, per share head rope mark yarn quantity y and strand definite removal of a yarn empirical coefficient c (this gets 1.083) float 1Be 5.0, by head rope thigh footpath R behind the removal float 1, strand core is with yarn quantity S 2(this gets 2), the head rope determine that with yarn empirical coefficient q (this gets 1.014) the per share head rope is 10 with II type polyamide staple fibre spun yarn quantity S, the head rope adopts single layer structure with II type polyamide staple fibre spun yarn, and outer float quantity n (this gets 4) determines that the per share head rope is 14 with yarn total quantity ω by the per share head rope.
Adopt special head rope processing method (the center of thigh filling 2 " Z " to II type polyamide staple fibre spun yarn as thigh core, 1 mark yarn and 3 luminous yarns as the head rope with a strand outer float, strand twist with the fingers to be " S " to, outer float and II type polyamide staple fibre spun yarn equalization of strain is regulated, 8 II type polyamide staple fibre spun yarns beyond strand core adopt single layer structures) under the yarn tension balance adjustment, be that " S " of 28.6mm is to head rope thigh with " S " to outer float, II type polyamide staple fibre spun yarn and strand core being produced together burst lay pitch by rope machine.
System guiding principle method: under the thigh equalization of strain is regulated, be that the diameter D of 37.0mm be 10.0mm aquaculture net cage or the passivity fishing gear high-performance head rope with " Z " to being twisted into the head rope lay pitch with thigh to the head rope with three strands " S " by rope machine.
Mechanical test and production application result show, in the HDPE5000S resin concentrates, add a small amount of T30S type PP resin, produce blend polymer PP/PE alloy luminous filament or the PP/PE alloy mark silk that contains PP by the physical modification technology, improve the flexibility of PP/PE alloy luminous filament or PP/PE alloy mark silk, also improved flexibility, feel and the operability of the yarn and the head rope; Adopt special drawing process to replace traditional drawing process drawing-off heat medium water as special drawing-off heat medium with edible oil or ethylene glycol, guarantee that the heat treatment temperature of silk when the second bath drawing-off is higher than 100 ℃, with PP/PE alloy luminous filament or the PP/PE alloy mark filament drafting multiple of guaranteeing to produce, degree of crystallinity, the degree of orientation, the raising of intensity, the PP/PE alloy luminous filament that the present invention produces or the fracture strength of PP/PE alloy mark silk are all greater than 6.00cN/dtex, fracture strength all improves 11.1% with fishing with polyethylene monofilament Grade A index (5.40cN/dtex) than this area aquaculture net cage or passivity fishing gear, has improved the ultimate strength of the head rope; The present invention adopts the branch thread tension of 2.8~6.6N, thus guarantee to divide thread tension can with rolling on the silk bobbin in the monofilament tow cross one another monofilament separately, neat arrival bobbin prevents that again bobbin from accepting excessive impression silk or the quick-fried bobbin of causing of winding tension with placing side by side; It is that 88~112T/m, sth. made by twisting are to being " Z " strength efficiency to stability that has improved yarn and silk that doubling yarn-forming mechanism of the present invention adopts the twist; Head rope processing method of the present invention adopt luminous yarn and mark yarn as the head rope with outer float, adopt single layer structures that luminous yarn, mark yarn, polyamide staple fibre spun yarn are produced aquaculture net cage or passive small-sized high-performance head rope for fishing gear together at 0~2 " Z " other polyamide staple fibre spun yarn beyond the thigh core when polyamide staple fibre spun yarn, 1 mark yarn of per share employing and 2~3 luminous yarns, head rope manufacturings adopt " ZSZ " to twist with the fingers to structure, yarn tension balance adjustment, stranding of the center of thigh filling, thereby improved the combination property of the head rope.The diameter D of this programme production be the ultimate strength of 5.0mm aquaculture net cage or passive small-sized high-performance head rope for fishing gear up to 3766N, ultimate strength is higher than in the ISO 1969-2004 standard diameter 5.0mm aquaculture net cage or the passivity fishing gear reduces 30.6% with traditional rete cord ultimate strength index (2890N) and weight; Elongation at break is 26.0%, and elongation at break meets the aquatic products field and produces needs.The ultimate strength of the diameter 10.0mm head rope that the present invention produces is up to 17.33kN, and ultimate strength is higher than diameter 12.0mm tradition rete cord ultimate strength index (15.50kN) and weight minimizing 24.7% in the ISO 1969-2004 standard; The elongation at break of this high-performance head rope is 22.3%, and elongation at break meets the aquatic products field and produces needs.Under the powerful identical condition of the head rope, the head rope that adopts this method to produce can make diameter descend, weight saving, resistance reduces, aquaculture net cage or passivity fishing gear facility these high-performance head ropes waterborne are through sending yellow green or cerise fluorescence after the illumination in night or dark surrounds, it can play good cue mark effect to the shippping traffic around the facility, not only realize head rope indication breakthrough from zero, it is also played a role to improving the fishing rate when fishing for the optically focused fish night, has improved the security and the aquatic products field adaptability of aquaculture net cage or passivity fishing gear facility.Therefore, the present invention tradition has the ultimate strength advantage with common rete cord, can improve the security of aquaculture net cage or passivity fishing gear facility again greatly, apply in the aquatic products field have distinct economic, social benefit and feasibility.

Claims (1)

1, aquaculture net cage or passive small-sized high-performance head rope for fishing gear processing method, adopt mixer, HDPE 5000S resin, luminous pigment, auxiliary agent, T30S type PP resin, colouring agent or Masterbatch, single screw extrusion machine, twice drawing-off electrical heating drawing machine, receive the silk machine, divide the silk machine, twisting machine and rope machine, it is characterized in that earlier luminous pigment, dry HDPE 5000S resin (melt index is 0.9g/10min), (melt index is 2.1~3.9g/10min) and auxiliary agent processings of sieving to dry T30S type PP resin, and luminous pigment and dry HDPE 5000S resin after the processing of will sieving are then made luminous master batch by 1: 4 mass percent; To make luminous master batch (addition be HDPE 5000S weight resin 8~11%) again, dry HDPE 5000S resin, the compound of dry T30S type PP resin (addition be HDPE5000S weight resin 3.0~4.0%) and auxiliary agent (addition be HDPE 5000S weight resin 0.6~0.8%) acquisition through mixer is mixed thoroughly after is that 25: 1 single screw extrusion machines are in specified temp (the I district in extruder barrel electrical heating district by screw slenderness ratio, the II district, the III district, the temperature-control range in IV district is respectively 185~195 ℃, 244~262 ℃, 265~282 ℃, 265~277 ℃) under melt extrude (aperture of spinnerets is 0.8mm), the spun filament that melt extrudes obtains cooling and preliminary draft through 26~30 ℃ of cooling water tank water at low temperature and first drawing roller, the preliminary draft silk is through 95 ℃~98 ℃ high temperature first drawing-off water baths and second drawing roller, 108~126 ℃ of high temperature second drawing-off deep fat baths (with edible oil or ethylene glycol as special drawing-off heat medium) and the 3rd drawing roller are carried out twice hot drawing-off, monofilament tow that the preliminary draft silk obtains after drawing machine carries out above-mentioned twice hot drawing-off (the drawing-off general times is controlled at 12.3~14.0 times) adopts the air-flow method to cool off fast, so that with the receipts silk machine rolling monofilament tow of torque motor; The monofilament tow divides silk through minute silk machine under the branch thread tension of 2.8~6.6N be the PP/PE alloy luminous filament of diameter 0.20mm; Twisting machine becomes " Z " to luminous yarn with twisting tension force doubling of the same size 11~13 PP/PE alloy luminous filament by the twist of 88~112T/m; Dry HDPE 5000S resin, Masterbatch or colouring agent (addition be HDPE 5000S weight resin 0.38~1.00%), (melt index is 2.1~3.9g/10min to dry T30S type PP resin; Addition be HDPE 5000S weight resin 3.0~4.0%) and the production PP/PE alloy mark silk of the turpentine oil auxiliary agent after handling of sieving (additive dosage be HDPE 5000S weight resin 0.2~0.5%) acquisition through mixer is mixed thoroughly after make the PP/PE alloy mark silk of diameter 0.20mm by identical spinning technique in the PP/PE alloy luminous filament processing method with compound; Twisting machine becomes " Z " to the mark yarn with twisting tension force doubling of the same size 11~13 PP/PE alloy mark silk by the twist of 88~112T/m; With the line density is that 230dtex and fracture strength are made polyamide staple fibre spun yarn greater than the polyamide multifilament of 5.30cN/dtex, twisting machine by the twist of 107~133T/m with 21~23 polyamide multifilaments with twisting tension force doubling of the same size become " Z " to I type polyamide staple fibre spun yarn or " S " to polyamide staple fibre spun yarn, twisting machine again by the twist of 107~133T/m with 3 " S " to polyamide staple fibre spun yarn become " Z " to II type polyamide staple fibre spun yarn with twisting tension force retwist of the same size; I type polyamide staple fibre spun yarn, II type polyamide staple fibre spun yarn are applicable to that respectively diameter is the processing of 4.0~8.0mm (not comprising 8.0mm), 8.0~12.0mm (comprising 8.0mm) head rope; Determine head rope thigh footpath by head rope diameter and stranding with empirical coefficient, head rope thigh footpath=head rope diameter * stranding empirical coefficient, stranding adopts 0.530~0.580 with empirical coefficient; Determine outer float quantity by luminous yarn quantity of the per share head rope and mark yarn quantity, the outer float quantity of the per share head rope=luminous yarn quantity of the per share head rope+per share head rope mark yarn quantity, 1 mark yarn of per share employing and 2~3 luminous yarns; Determine to remove head rope thigh footpath behind the float by head rope thigh footpath, the per share head rope with luminous yarn and mark yarn quantity, luminous yarn and mark yarn diameter, a strand yarn empirical coefficient, head rope thigh footpath=(head rope thigh directly after removing float 2-per share the head rope is with luminous yarn quantity * luminous yarn diameter 2-per share head rope mark yarn quantity * mark yarn diameter 2) 0.5* strand yarn empirical coefficient, a strand yarn empirical coefficient adopts 1.080~4.270; By remove head rope thigh footpath behind the float, a strand core is determined per share head rope polyamide staple fibre spun yarn quantity with yarn quantity, polyamide staple fibre spun yarn diameter and the head rope with the yarn empirical coefficient, the per share head rope with in polyamide staple fibre spun yarn quantity=per share head rope internal layer with yarn radical+thigh core yarn quantity ≈ (behind the removal float head rope thigh directly ÷ polyamide staple fibre spun yarn diameter) 2* the head rope is with yarn empirical coefficient+thigh core yarn quantity, when head rope diameter be 4.0~8.0mm (not comprising 8.0mm), 8.0~12.0mm when (comprising 8.0mm) its head rope adopt 0.610~0.860,1.011~1.200 respectively with the yarn empirical coefficient; The outer float quantity of per share head rope yarn total quantity=per share head rope+per share head rope polyamide staple fibre spun yarn quantity; The thigh core is made up of to polyamide staple fibre spun yarn 0~2 " Z " that does not twist; (luminous yarn and mark yarn are as the outer float of the head rope to adopt special head rope processing method, in the center of thigh filling 0~2 " Z " to polyamide staple fibre spun yarn, 1 mark yarn of per share employing and 2~3 luminous yarns, head rope manufacturing adopts " ZSZ " to twist with the fingers to structure, the yarn tension balance adjustment, other polyamide staple fibre spun yarns during stranding beyond the thigh core adopt single layer structure, strand equalization of strain is regulated) under the yarn tension balance adjustment, by rope machine with " S " to outer float (comprising luminous yarn and mark yarn), polyamide staple fibre spun yarn and strand core produce together burst lay pitch be 14.7~28.7mm " S " to the head rope with strand; Under the thigh equalization of strain is regulated, be 19.0~37.0mm, diameter 4.0~12.0mm and aquaculture net cage or the passive small-sized high-performance head rope for fishing gear that in the dark can send fluorescence with " Z " to being twisted into the head rope lay pitch with thigh to the head rope with three strands " S " by rope machine.
CN2008100402644A 2008-07-07 2008-07-07 Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear Expired - Fee Related CN101624788B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100402644A CN101624788B (en) 2008-07-07 2008-07-07 Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100402644A CN101624788B (en) 2008-07-07 2008-07-07 Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear

Publications (2)

Publication Number Publication Date
CN101624788A true CN101624788A (en) 2010-01-13
CN101624788B CN101624788B (en) 2011-11-02

Family

ID=41520771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008100402644A Expired - Fee Related CN101624788B (en) 2008-07-07 2008-07-07 Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear

Country Status (1)

Country Link
CN (1) CN101624788B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929086A (en) * 2010-07-19 2010-12-29 宜兴市恒龙塑料制品有限公司 Production method of PP (Polypropylene) winding rope for submarine cable
CN103147142A (en) * 2012-11-09 2013-06-12 中国水产科学研究院东海水产研究所 Manufacture method for processing composite thread of fishery rope net
CN103819797A (en) * 2014-03-04 2014-05-28 胡衍良 Ground traffic sign and concrete pavement cold-hot groove
CN104562235A (en) * 2014-06-30 2015-04-29 巢湖市鼎盛渔具有限公司 Forming technology of fishing net threads suitable for fresh water
CN104862821A (en) * 2015-05-18 2015-08-26 中国水产科学研究院东海水产研究所 Olive green fibers capable of reducing water resistance of meshes and used for weaving net
CN106149086A (en) * 2016-08-09 2016-11-23 中国水产科学研究院东海水产研究所 One crosses ocean fishery netting superpower melt-spun slivers processing method
CN107574698A (en) * 2017-10-12 2018-01-12 蚌埠市天网渔需用品有限公司 A kind of main kernmantle of culturing net
CN107700257A (en) * 2017-10-12 2018-02-16 蚌埠市天网渔需用品有限公司 A kind of main kernmantle preparation method of culturing net
CN110344150A (en) * 2019-07-22 2019-10-18 南通汉卓纺织科技有限公司 A kind of production method of high tensile flexible luminous yarn
CN111676588A (en) * 2020-05-09 2020-09-18 中国水产科学研究院东海水产研究所 Preparation method of light sky blue long-acting antifouling net containing grafted polyguanidine salt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281070A (en) * 1980-01-07 1981-07-28 The Polymer Corporation Melt processable UHMWPE
US5205974A (en) * 1988-06-03 1993-04-27 Stamicarbon B.V. Process for the preparation of continuous objects of plastics
CN1282772C (en) * 2003-08-25 2006-11-01 中国水产科学研究院东海水产研究所 Polyethylene monofilament high temperature high times drawing technology
CN2873814Y (en) * 2006-03-07 2007-02-28 中国水产科学研究院东海水产研究所 Self reinforced polypropylene fishing net thread
CN200958133Y (en) * 2006-03-17 2007-10-10 中国水产科学研究院东海水产研究所 Netted fiber of polypropylene polythene composite material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929086A (en) * 2010-07-19 2010-12-29 宜兴市恒龙塑料制品有限公司 Production method of PP (Polypropylene) winding rope for submarine cable
CN103147142A (en) * 2012-11-09 2013-06-12 中国水产科学研究院东海水产研究所 Manufacture method for processing composite thread of fishery rope net
CN103147142B (en) * 2012-11-09 2015-01-14 中国水产科学研究院东海水产研究所 Manufacture method for processing composite thread of fishery rope net
CN103819797A (en) * 2014-03-04 2014-05-28 胡衍良 Ground traffic sign and concrete pavement cold-hot groove
CN104562235A (en) * 2014-06-30 2015-04-29 巢湖市鼎盛渔具有限公司 Forming technology of fishing net threads suitable for fresh water
CN104862821A (en) * 2015-05-18 2015-08-26 中国水产科学研究院东海水产研究所 Olive green fibers capable of reducing water resistance of meshes and used for weaving net
CN106149086A (en) * 2016-08-09 2016-11-23 中国水产科学研究院东海水产研究所 One crosses ocean fishery netting superpower melt-spun slivers processing method
CN106149086B (en) * 2016-08-09 2018-10-02 中国水产科学研究院东海水产研究所 A kind of superpower melt-spun slivers processing method of foreign fishery netting excessively
CN107574698A (en) * 2017-10-12 2018-01-12 蚌埠市天网渔需用品有限公司 A kind of main kernmantle of culturing net
CN107700257A (en) * 2017-10-12 2018-02-16 蚌埠市天网渔需用品有限公司 A kind of main kernmantle preparation method of culturing net
CN110344150A (en) * 2019-07-22 2019-10-18 南通汉卓纺织科技有限公司 A kind of production method of high tensile flexible luminous yarn
CN111676588A (en) * 2020-05-09 2020-09-18 中国水产科学研究院东海水产研究所 Preparation method of light sky blue long-acting antifouling net containing grafted polyguanidine salt

Also Published As

Publication number Publication date
CN101624788B (en) 2011-11-02

Similar Documents

Publication Publication Date Title
CN101624788B (en) Method for processing cultivation net cage or passive small-sized high-performance head rope for fishing gear
CN101994266B (en) Method for processing medium-size mixed rope for fishing with warning function
CN101352159B (en) Abrasion-proof energy-saving polyethylene fishing net
CN101994267B (en) Method for processing small-specification blending modified polypropylene light-emitting rope for fishing
CN101624787B (en) Method for manufacturing net cage or different medium-sized fiber mixing steel cable for set fishing gear
CN103147151B (en) Processing method of composite filament for netting gear manufacture
CN101037846B (en) Technique for preparing polypropylene abrasion-proof fabric riata
CN101851795B (en) Method for processing high-performance modified polyethylene monofilaments for manufacturing fishing net
CN103155890B (en) Preparing method of polyolefin wear-resisting energy-saving net
CN106120045B (en) A kind of deep-sea fishing melt-spun line production method
CN101851797B (en) Method for preparing fishing flexible blended and modified polyethylene monofilaments
KR20210136853A (en) Preparation method of circular truncated cone-shaped side net for semi-submersible aquaculture platform
CN101851794A (en) Method for preparing modified polypropylene monofilaments for processing small-size fishing rope
CN106087497A (en) A kind of dark blue fishery rete cord processing method
CN101886298B (en) Preparation method of ultra-high molecular weight polyethylene monofilaments
CN103147142B (en) Manufacture method for processing composite thread of fishery rope net
CN101666014B (en) Method for manufacturing anti-turning high-strength net mesh for aquaculture net cages and catching and fishing tools
CN104862793A (en) Method for producing fibers used for twisted threads
CN101580984B (en) Method for processing high-performance polyethylene twisting threads for waving netting or binding a steel rope
CN103436975A (en) Raw material for fishery rope fibers
CN104862820A (en) Method for preparing filaments for net weaving
CN104911772A (en) Three-ply string for fishing net
CN104911771A (en) Method for making netting twine for euphausiasuperba resource development
CN114775129B (en) Preparation method of blue deep-open sea culture line
CN112726239B (en) Mixed fiber floating mooring rope and manufacturing method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111102

Termination date: 20140707

EXPY Termination of patent right or utility model